Nx/DBU Plug-On Board Option Module User Manual
Contents
1. testet trier A 3 11 PATTERN VERIFY 5 Re 3 12 BACKUP DELAY eret ade te eae tee 3 12 RESTORE DELA NM oror t hh eR P Den 3 12 RELRYCDEEAY V desee tiec eet a sedie EET e voce 3 12 NUM RETRIES 5 2 nao tte o itte t ete i 3 12 BACKUP TESTING o eee oet eee EE t ena 3 12 BACKUP TEST etiatn en rectore pee pec 3 13 TBST I OUR boss ngar tret tere i ente sne 3 13 TESE DAN oreet eie sates adds itte eroe ssa 3 13 WKEND LOCKOUT eee s ette tet tach tte oe tee bois 3 13 A ENABLE HR 0 23 ettet eie here ea 3 13 B DISABLE HR 0 23 cette rte tenete ette trente tee 3 13 C Trapam DBU intere ete de eed ie needs 3 13 FACTORY RESTORE Submenu of UTIL eene 3 14 viii Nx DBU Plug On Board User Manual 61200174L1 1 Table of Contents Operation acne abe niente fo meni o oui ra f ort 3 14 PORT UTILITY Submenu of UTIL 3 14 Operation cce ee eere ID eh eene rever ivi 3 14 RUN SELF TEST Submenu of TEST is 3 15 PORT TEST Submenu of TEST nes 3 16 Operation nT oie iare eed ie p ts 3 16 1 1 Nx DBU Menu 0200 eene en een 3 16 PART OG EM 3 16 REMOTE 5 2 an Stomies tme ies 3 17 REM V BA CON Fi 222 t eere o re ET Ege 3 17 EB cc2. Choices none unlimited 3 times 10 times This submenu sets the options for the automatic ISDN BACKUP TESTING This submenu sets the options for the automatic ISDN verification feature of the Nx DBU Verification of the backup circuit does not disrupt data on the T1 3 12 Nx DBU Plug on Board User Manual 61200174L1 Chapter 3 Installation BACKUP TEST This selects the frequency of automatic backup circuit verification by the DBU Choices MANUAL HOURLY DAILY WEEKLY TEST HOUR This selects the hour of the day the backup test will occur Choices 0 to 23 TEST DAY If weekly backup test is selected this option will select which day to perform the test Choices MONDAY through SUNDAY WKEND LOCKOUT If no backup is desired from midnight Friday to mid night Sunday set this selection to ON otherwise set to OFF Choices ON OFF A ENABLE HR 0 23 The hour that the backup will be enabled can be entered from the numeric keyboard B DISABLE HR 0 23 The hour that the backup will be disabled can be entered from the numeric keypad For items A and B to function properly verify that the time and date in NOTE the TSU are set correctly Consult the appropriate TSU User Manual for instructions on setting date and time C Trap DBU If traps are enabled see unit configurations this param eter will send either a single trap upon going into a DBU session or send repeated traps for the
3. 1 5 Nx DBU Menus about 3 2 Nx DBU pinouts 2 3 Nx DBU Plug on Board A 3 Nx DBU Plug on board cable assembly 2 5 Nx DBU plug on board cable schematic 2 6 Nx DBU Plug On Board Menu Tree 3 3 Nx DBU plug on board menus 3 1 Nx DBU Status Menu 3 5 Nx DBU V 35 plug on board 1 1 Nx DBU specifications 1 4 Nx56 64 and DBU common specifications 1 5 Nx56 64 CONFIG Menu Options 3 8 Nx56 64 DCE interface 1 4 PATTERN VERIFY 3 12 Physical Description 1 6 pinout for DBU V 35 2 4 pinouts for Nx DBU 2 3 PLL Alarm A 1 PORT CONFIG 3 7 port config operation 3 7 PORT Status 3 4 port status operation 3 4 port test operation 3 16 port test Submenu of test 3 16 port utility operation 3 14 Index 2 Nx DBU Plug On Board User Manual port utility submenu of UTIL 3 14 Power Up Testing and Initialization 2 7 product warranty v PRT LOCAL 3 16 R Rates 1 4 Red Alarm A 1 Remote Loop Up A 3 RESTORE DELAY 3 12 RETRY DELAY 3 12 run self test submenu of test 3 15 5 self test 2 self test to activate 3 15 single end failure 3 11 specification of Nx DBU 1 4 Status Message A 2 T TEST DAY 3 13 TEST HOUR 3 13 Test Pattern 1 4 Tests 1 4 Tests specificatons 1 5 TSU 100 main menu tree 3 2 TX CLK CNTRL 3 8 U Unpack amp Inspect 2 1 w Warranty and Customer Service iv Wiring 2 3 WKEND LOCKOUT 3 13 Y Yellow Alarm A 1 Z Zeros Alarm A 2 61200174L1 1 Product Support Information
4. Press Cancel to exit or to select another port Figure 3 8 Port Name and Software Version Display RUN SELF TEST SUBMENU OF TEST This menu item is used to execute both the internal test of the TSU and of the Nx DBU The results of the self test are shown on the TSU display For additional informa tion on self test see the Operation chapter of the appro priate TSU user manual To activate a self test do the following 1 Follow the standard operating procedure to access the TEST menu items 2 With the cursor on RUN SELF TEST press Enter The TSU display shows the test outcome 61200174L1 1 Nx DBU Plug on Board User Manual 3 15 Chapter 3 Installation PORT TEST SUBMENU OF TEST This menu item is used to activate testing of specific data ports It also controls the activation loopbacks and the initiation of data test patterns Test results are shown on the TSU display CAUTION Port Test execution disrupts normal data flow in the port being tested Operation To display Figure 3 9 on the TSU 100 starting with the cursor on PORT TEST press Enter or the number 3 key This displays the available ports Figure 3 9 Port Test Submenu 1 1 Nx DBU Menu Options The 1 1 Nx DBU interface offers the following seven test functions PRT LOCAL The Nx port activates both a local loopback back toward the DTE and a port loopback when either is invoked Choices REMOTE REM V
5. in networks where alarms are not passed end to end DBU CONFIG Menu Options BACKUP MODE Select the DBU CONFIG menu option to access the 11 menu options discussed in this section The DBU can activate backup in two basic modes SIN GLE END FAILURE or BOTH END FAILURE These can be used to control how calls are established and which end initiates the dialing process Choices DISABLE ORIGINATE ANSWER ORIG ANS ANY 3 10 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 3 Installation SINGLE END FAILURE In this mode a backup condition detected at either end of the circuit causes a backup to be activated The DBU at the failed end initiates a call to the opposite end which goes into backup mode upon receiving a call This is par ticularly useful for Fractional T1 applications where a failure at one end cannot be reported to the other end Choices Mode ORIG ANS ANY In this mode if the unit has Pattern Verify turned Off it will go into CAUTION backup mode on any received call even a wrong number BOTH END FAILURE In this mode both ends of the circuit must detect backup conditions before backup is activated One DBU is set to ORIGINATE and the other to ANSWER Upon a net work failure only the Originate DBU initiates backup by dialing the Answer end Once called the Answer DBU goes into backup mode only if a backup condition is detected This is ideal for controlling where calls origi nate Choi
6. to ADTRAN This warranty applies only to the original pur chaser and is not transferable without ADTRAN s express written permission This warranty becomes null and void if Customer modifies or alters the equip ment in any way other than as specifically authorized by ADTRAN FOR THE LIMITED WARRANTY DESCRIBED ABOVE THE GOING CONSTITUTES THE SOLE AND EXCLUSIVE REMEDY OF THE CUS TOMER AND THE EXCLUSIVE LIABILITY OF ADTRAN AND ISIN LIEU OF ANY AND ALL OTHER WARRANTIES EXPRESSED OR IMPLIED ADT RAN SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES INCLUDING WITHOUT LIMITATION ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES SO THIS EXCLU SION MAY NOT APPLY TO CUSTOMER In no event will ADTRAN or its suppliers be liable to Customer for any inciden tal special punitive exemplary or consequential damages experienced by either Customer or a third party including but not limited to loss of data or information loss of profits or loss of use ADTRAN is not liable for damages for any cause whatsoever whether based in contract tort or otherwise in excess of the amount paid for the item Some states do not allow the limitation or exclusion of liability for incidental or consequential damages so the above limitation or exclusion may not apply to Customer vi Table of Contents Ipcqoguri a a Sis xi List Of
7. to DTE 61200174L1 1 Nx DBU Plug on Board User Manual 2 3 Chapter 2 Installation Table 2 2 DBU V 35 Winchester Pin Connection Pin CCITT Description A 101 Protective ground PG B 102 Signal ground SG J 105 Request to send RTS from DCE M 106 Clear to send CTS from DCE N 107 Data set ready DSR from DCE BB 109 Received line signal detector DCD from DCE MM Data terminal ready DTR to DCE Z Ring indicator RI from DCE DD 104 Received data FD B from DCE FF 104 Received data RD B from DCE HH 115 RX clock R B from DCE JJ 115 RX clock RC B from DCE CC 103 Transmitted data TD A to DCE EE 103 Transmitted data TD B KK 114 Clock from DCE LL 114 clock TC B from DCE 2 4 Nx DBU Plug on Board User Manual 6120017411 1 Chapter 2 Installation The Nx DBU Plug on board cable assembly is shown in Figure 2 2 The schematic for this cable assembly is shown in Figure 2 3 on page 2 6 F M 4 1x NX v 35 0 FEMALE 61 V 35 24 or 26 AWG ea plus shielding MALE BR DBU I2 vas 9 MALE a B c 4 h Figure 2 2 Nx DBU Plug On Board Cable Assembly
8. xU 3 17 D Pe RAG Te EET MMC 3 17 ON art conse X 3 17 BENA RER etc oca RA SSA 3 17 SLIGRESUETS 4 5 el edt oes 3 18 DBU EOOPBAQGNRK eer ieri 3 18 DBU TEST doses SS 3 18 TESTS ate et eee tee REN UNA GIC CR RE 3 18 FORCED BACKUP 3 18 INTERFACE TS Tin ere not 3 18 DBU DATA CNT Ri ath chasis ne t tee metti de 3 18 DBUITSTIRESULE AT ted cie 3 19 Appendix System Messages nn A 1 Indek Rs Res Lee Se SEE ti ds eee Index 1 6120017411 1 Nx DBU Plug On Board User Manual Table of Contents Nx DBU Plug On Board User Manual 61200174L1 1 List of Figures Figure 1 1 Figure 2 1 Figure 2 2 Figure 2 3 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3 6 Figure 3 7 Figure 3 8 Figure 3 9 Figure 3 10 61200174L1 1 Nx DBU Plug on Board 1 6 Attaching the Plug on 2 2 Nx DBU Plug On Board Cable Assembly 2 5 Nx DBU Plug On Board Cable 2 6 TSU 100 Main Menu Tree 3 2 Nx DBU Plug On Board Menu Tree 3 3 Port Status Submenu 3 4 DBU Status Subment 52 uses tite ido ies
9. 1 BACKUP TEST 8 BACKUP TESTING 2 TEST HOUR 9 WKEND LOCKOUT 3 TEST DAY A ENABLE HR B DISABLE HR 2 RUN SELF TEST 4 TEST 1 DTE LOOPBACK 3 PORT TEST 1 1 Nx DBU 2 511 511 RESULTS 4 DBU LOOPBACK DBU TEST DBU DATA CNTRL DBU TST RESULT Figure 3 2 Nx DBU Plug On Board Menu Tree The Nx DBU plug on board menu tree selections are dis cussed on the following pages 61200174L1 1 Nx DBU Plug on Board User Manual 3 3 Chapter 3 Installation PORT STATUS SUBMENU OF STATUS The Status menu branch provides the ability to view the status of the TSU 100 operation It displays the status of the monitored signal line on the Nx DBU plug on board and the data rate for which the plug on board is config ured Operation To display Figure 3 3 on the TSU 100 place the cursor on STATUS and do the following 1 Press Enter or the number 1 key This displays the first two Status submenu items with the cursor on NI PERF RPTS 2 Use the Scroll Down key to place the cursor on PORT STATUS and press Enter This displays the first available port 3 Use the scroll keys to identify 1 1 Nx DBU and press Enter Figure 3 3 Port Status Submenu The base Nx interface shows the status screens listed in this manual For other plug on boards refer to the appro priate TSU User Manual 3 4 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 3 Installation Nx DBU Status
10. 1 NETWORK TESTS 7 ENET ADDRESS 2 RUN SELF TEST 8 SERIAL NUMBER 4 TEST 3 PORT TEST 4 CANCEL TEST Figure 3 1 TSU 100 Main Menu Tree Nx DBU Menus Are All Submenus The Nx DBU plug on board menus are accessed from and operated the same as menus for the TSU 100 Menu items in the main menu in Figure 3 1 printed in bold ital ics are submenu choices for the Nx DBU plug on board See Figure 3 2 for the menu tree for each of these sub menu options Each of the these submenu items is dis cussed in the following paragraphs All are accessed by the same method Operation With the cursor on one of the four main menu choices press Enter or the number key The results are the first two submenu items with the cursor on the first item Use the Scroll Down key to place the cursor on the desired item then press Enter This displays the first two submenu choices 3 2 Nx DBU Plug on Board User Manual 6120017411 1 Chapter 3 Installation 1 DTE DATA CLOCK 1 DSO RATE 2 DTE STATUS 2 TX CLK CNTRL 1 STATUS 5 PORT STATUS 3 DTE PORT RATE 3 DATA 4 DBU DATA CNTRL 4 CTS 5 DBU CONTROL 5 DCD 6 DBU STATUS 6 DSR 7 0 INHIB 1 NX56 64 CONFIG 8 INBAND MODE 2 CONFIG 7 PORT CONFIG 2 DBU CONFIG 1 BACKUP MODE 2 BACKUP ON 2 FACTORY RESTORE 3 PATTERN VERIFY NX DBU 4 BACKUP DELAY MENU UTIL 5 PORT UTILITY SW REV 5 RESTORE DELAY 6 RETRY DELAY 7 NUM RETRIES
11. 3 6 Port Configuration Submenu ss 3 7 Inband Remote Configuration 3 10 Port Utility Submenu re eere eddie ees 3 14 Port Name and Software Version Display sss 3 15 Port Test Submenu sc cic eei ee ed ett eee 3 16 DBU TST Result Submenu 3 19 Nx DBU Plug On Board User Manual xi List of Figures xii Nx DBU Plug On Board User Manual 61200174L1 1 List of Tables Table 2 1 Nx DBU Pin ConnectioN sise 2 3 Table 2 2 DBU V 35 Winchester Pin Connection 2 4 Table 3 1 Normal Mode Operation 3 8 61200174L1 1 Nx DBU Plug On Board User Manual xiii List of Tables Nx DBU Plug On Board User Manual 61200174L1 1 Chapter 1 Introduction NX DBU V 35 PLUG ON BOARD OVERVIEW The Nx DBU V 35 plug on board is available for use with any option module with the following TSU units e TSU 100 e TSU 120 e TSU 600 e TSU 610 The Nx DBU V 35 plug on board installs on any option module in the option slot of the TSU units and provides an additional synchronous V 35 interface port with dial backup capability When used in these products this in terface port allows an additional DTE to have access to the 1 service with dial backup capability in the event of a 1 failure The Nx DBU plug on board has a special Y cable that it uses to break apart the Nx and DBU ports from the single V 35 connector The longer 2 ft side of the Y with the male connector
12. 54 CONT OFF 3 16 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 3 Installation REMOTE The remote loopback causes a channelized V 54 code to be sent to the far end The Nx at the far end activates a PORT LCL loopback on detection of the 54 code REM V 54 CONT This loopback causes a continuous V 54 code to be sent to the far end The Nx at the far end activates a PORT LCL loopback on detection of the V 54 code OFF The loop is deactivated The TSU checks the remote loopback activation by detecting a proper response from the remote end While waiting for the response the display shows Looping If successful the display changes to Looped Up If unsuccessful it displays Failed NOTE 511 PATT Activates the generation of the 511 test pattern toward the T1 network Choices OFF ON ON The pattern check circuitry is enabled and a test started The test is ended by selecting OFF OFF The pattern generation and check is disabled 61200174L1 1 Nx DBU Plug on Board User Manual 3 17 Chapter 3 Installation 511 RESULTS DBU LOOPBACK DBU TEST DBU DATA CNTRL Displays the results of the 511 test indicated in menu se lection 511 PATT The results are in the form of the number of errored sec onds The error count can be cleared by pressing the Clear key Shift 9 A bit error may be inserted into the data stream by pressing the 2 key Activates the generation of the 511 test patte
13. 61200174L1 1 Nx DBU Plug on Board User Manual 2 5 Chapter 2 Installation V 35 MALE FG 56 RTS CTS DSR RLSD TM TD A RD A TOB RD B RCA RCE FG SG RTSZ CTS2 DSR2 DCD2 DTR2 RI TD A2 RD AZ TD 82 RD B2 RC A2 RC B2 NX V 35 A FEMALE 1 FT DBU V 35 MALE 2 FT Figure 2 3 Nx DBU Plug On Board Cable Schematic 2 6 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 2 Installation POWER UP TESTING AND INITIALIZATION The plug on board executes a self test during the power up sequence as described in the TSU manual No initial ization input is required Upon power up any previous ly configured setting for the plug on board is automatically restored When self testing is completed and configuration is suc cessfully restored the LED labeled OK in the MODULE group on the front panel turns If any alarms are de tected during operation the red LED labeled ALARM in the MODULE group on the front panel turns ON For more information about the front panel see the Oper ation chapter of the appropriate T
14. ADRAN Nx DBU Plug On Board Option Module User Manual Part Number 1200174L1 June 2000 61200174L1 1B 901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 Phone 256 963 8000 2000 ADTRAN Inc All rights reserved Printed in USA NOTE Notes provide additional useful information tn Cautions signify information that could prevent service interrup CAUT tion Warnings provide information that could prevent damage to the equipment or endangerment to human life Federal Communications Commission Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio frequencies Operation of this equipment in a residential area is likely to cause harmful inter ference in which case the user will be required to correct the interference at his own expense Shielded cables must be used with this unit to ensure compliance with Class A FCC limits Changes or modifications to this unit not expressly approved by CAUTION the party responsible for compliance could void th
15. Menu Options DTE DATA CLOCK DTE STATUS DTE PORT RATE DBU DATA CNTRL Select 1 1 NX DBU The following five menu options are available Shows the status active or not active of the following lines TXD Transmit data to the DTE RXD Receive data from the DTE ETC External transmit clock from Lock status of the phase locked loop Shows the status active or not active of the following lines RTS Request to send from DTE CTS Clear to send to DTE DCD Data carrier detect to DTE DSR Data set ready to DTE Displays the data rate to which the Nx port is set Shows the status active or not active of the following lines TXD Transmit data to the DCE RXD Receive data from the DCE DCD Data carrier detect from DCE RI Ring indicate from DCE 61200174L1 1 Nx DBU Plug on Board User Manual 3 5 Chapter 3 Installation DBU CONTROL Shows the status active or not active of the following lines RTS Request to send to DCE CTS Clear to send from DCE DTR Data terminal ready to DCE DSR Data set ready from DCE DBU STATUS Shows current backup state see Figure 3 4 Figure 3 4 DBU Status Submenu DBU SECS Total seconds the plug on board has been in backup DBU YES Module is in backup mode NO Module is not in backup mode Exit the displays as described in the appropriate TSU User Manual 3 6 Nx DBU Plug on Board User Manual 6120017411 1 Chapter 3 Ins
16. Pre Sales Inquiries and Applications Support Please contact your local distributor ADTRAN Applications Engineering or ADTRAN Sales Applications Engineering 800 615 1176 Sales 800 827 0807 Post Sale Support Please contact your local distributor first If your local distributor cannot help please contact ADTRAN Technical Support and have the unit serial number avail able Technical Support 888 4ADTRAN Repair and Return If ADTRAN Technical Support determines that a repair is needed Technical Sup port will coordinate with the Customer and Product Service CaPS department to issue an RMA number For information regarding equipment currently in house or possible fees associated with repair contact CaPS directly at the following num ber CaPS Department 256 963 8722 Identify the RMA number clearly on the package below address and return to the following address ADTRAN Inc CaPS Department 6767 Old Madison Pike Progress Center Building 6 Suite 690 Huntsville AL 35807 RMA
17. SU user manual 61200174L1 1 Nx DBU Plug on Board User Manual 2 7 Chapter 2 Installation 2 8 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 3 Installation OVERVIEW The Nx DBU plug on board is controlled as part of the TSU using the same methods as described in the appro priate TSU User Manual Front Panel Indicators Buttons Refer to the description of the TSU front panel indicators and buttons in the appropriate TSU User Manual Menu Structure The Nx DBU plug on board menus appear as a subset of and operate the same as menus for the TSUs The menus are accessed by selecting 1 1 Nx DBU under the PORT menu items The main menu for the TSU 100 is used for illustrative purposes The main menus for the other TSU units oper ate in a similar way Figure 3 1 on page 3 2 shows the TSU 100 main menu with the PORT 1 1 Nx DBU menu items printed in bold italicized letters Complete menu trees for each TSU product is found in their respective user manuals 61200174L1 1 Nx DBU Plug on Board User Manual 3 1 Chapter 3 Installation 1 PERF REPORTS 1 STATUS 2 NI ERRORS 3 ACTIVE ALARMS 1 NETWORK NI 4 VIEW HISTORY 2 CONFIG 2 UNIT 5 PORT STATUS 3 MAP XCHNG TSU 100 4 MAP IN USE A B MAIN MENU 5 DSO MAP A 1 TIME DATE 6 DSO MAP B 2 FACTORY RESTORE 7 PORT CONFIG 3 SET PASSCODE 4 UNIT ID 3 UTIL 5 PORT UTILITY 6 SOFTWARE REV
18. Tables tee Goode qo den as xiii Chapter 1 Introduction 1 1 Nx DBU V 35 Plug on Board Overview ss 1 1 Functional Description urines inner 1 2 Be turess s e intro ste banni HERE 1 2 NX Eeat res 5 ende prete poe EE E de OTI 1 2 DBU Features oroa ae terere eee eee de 1 2 Features Common to the Nx and the DBU esee 1 3 Interfaces bee e best bet etia Hehe 1 3 Specifications of the Nx DBU ttt teni tee 1 4 Specifications Nx56 64 DCE Interface ss 1 4 Specifications Nx DBU DTE Interface ss 1 5 Specifications Nx56 64 and DBU 1 5 Physical Description ettet perte re net ire the Pedo 1 6 Chapter 2 Installation ss 2 1 Unpack amp Inspect entere iiie mete c ve iit 2 1 ADTRAN Shipments Include rete sin 2 1 Customer Provides ics teo a te ema e etd dee beste ee eene 2 1 Attaching The Plug on Board sus 2 2 Placement of the Plug on Board ss 2 2 WONS isse itia o e A e eL P ee IP tee 2 3 Power Up Testing and Initialization us 2 7 Chapter 3 Installation sn 3 1 OVERVIEW nr ha 3 1 Front Panel Indicators Buttons 22 3 1 Menu 5truct re 1 nme Secchi celat rei ere pote RE 3 1 Nx DBU Menus Are 3 2 61200174L1 1 Nx DBU Plug On Board User Manual vii Table of Contents O
19. ces Mode ORIGINATE or ANSWER BACKUP ON This selects the conditions that cause the Nx DBU to ini tiate Backup Choices NET FAIL NET DATA FAIL NET FAIL Backup occurs on RED ALARM YELLOW ALARM BLUE ALARM AND LOS NET DATA FAIL Backup occurs on the same conditions as NET FAIL plus loss of data transitions on the data the Nx56 64 receives from the network 61200174L1 1 Nx DBU Plug on Board User Manual 3 11 Chapter 3 Installation PATTERN VERIFY BACKUP DELAY RESTORE DELAY RETRY DELAY NUM RETRIES BACKUP TESTING This selects whether or not the DBU will use its pattern generator and receiver to authenticate backup attempts When the local and remote units are both Nx DBUs set this to Enable otherwise set this to disable Choices ENABLE DISABLE This selects the time allowed to elapse between the net work going into alarm or no data transmissions and the backup beginning Choices 1 sec 3 sec 10 sec 30 sec 1 min 5 min 10 min This selects the time that elapses between the network go ing out of alarm or data and the backup call being taken down If never is selected the user must deactivate the backup mode Choices 1 sec 3 sec 10 sec 30 sec 1 min 5 min 10 min never This selects the time between redialing the external DCE after failed dial attempts Choices 10 sec 30 sec 1 min 5 min 10 min This selects the number of times the DBU will attempt to redial if unable to connect
20. cupies The port number will be 2 or 3 depending on the option module used The TSU 100 has one option slot therefore the port desig nation is 1 2 3 The TSU 120 has one option slot therefore the port desig nation is 1 2 3 The TSU 600 and the TSU 610 each have six option slots therefore the port numbers would be port 1 2 3 to port 6 2 3 The numbers appear in the front panel LCD menu display Figure 1 1 Nx DBU Plug on Board 1 6 Nx DBU Plug on Board User Manual 6120017411 1 Chapter 2 Installation UNPACK amp INSPECT Carefully inspect the plug on board for any shipping damage If damage is suspected file a claim immediately with the carrier and then contact ADTRAN customer ser vice If possible keep the original shipping container for use in shipping the plug on board back for repair or for verification of damage during shipment ADTRAN Shipments Include The Nx DBU Plug on Board The Nx DBU Plug on Board User Manual to be insert ed into main TSU user manual e Y cable used to break apart the V 35 and DBU connections Customer Provides DTE cable DCE cable 61200174L1 1 Nx DBU Plug on Board User Manual 2 1 Chapter 2 Installation ATTACHING THE PLUG ON BOARD Placement of the Plug on Board Figure 2 1 shows the proper placement of the plug on board to the option module Perform the following steps to install the plug on board 1 Hold the plug on board above the optio
21. delay between call retries if backup connection is not successfully established 1 2 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 1 Introduction User definable verification of dial up network daily weekly or on command without T1 data disruption Backup can be initiated by Alarm conditions on network AIS RAI or Red Alarm Absence of data transitions for a user defined delay Uses 8 kbps channel to check end to end connectiv ity before activating backup Disable backup based on hour of day and weekend Uses pattern to validate backup dial network Features Common to the Nx and the DBU The following features are common to the Nx and the DBU Interfaces Configurable by using a PC program T Watch Menu operation for easy configuration Performs self test of option card hardware Install multiple Nx DBU modules in a TSU 600 Hot swappable The following interfaces are used with the Nx DBU Two CCITT V 35 electrical differential One V 35 Winchester connector 61200174L1 1 Nx DBU Plug on Board User Manual 1 3 Chapter 1 Introduction SPECIFICATIONS OF THE NX DBU Specifications Nx56 64 DCE Interface DCE Interface Rates Clock Options Tests Test Pattern Data Inversion 1s Density Protection CTS DCD DSR Connector V 35 synchronous 56 kbps to 2 048 mbps in 56K or 64K increments Internal or internal invert Local loopback bilateral Remo
22. duration of the DBU session Choices Single Repeated 61200174L1 1 Nx DBU Plug on Board User Manual 3 13 Chapter 3 Installation FACTORY RESTORE SUBMENU OF UTIL This selection is used to restore the factory default set tings for all pass through plug on board parameters Operation To return the unit to the opening main menu with all the factory default settings restored do the following 1 Follow the standard operating procedure to access the UTIL menu items 2 With the cursor on FACT RESTORE press Enter PORT UTILITY SUBMENU OF UTIL The PORT UTILITY submenu is used to access the display of the current software information for each port installed in the unit This information is required when requesting assistance from ADTRAN Technical Support or when up dates are needed Operation To display Figure 3 7 on the TSU 100 do the following 1 Follow the standard operating procedure to access the UTIL menu items 2 With the cursor on PORT UTILITY press Enter This displays the first available port Figure 3 7 Port Utility Submenu 3 14 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 3 Installation To display the port name and the software version in stalled as shown in Figure 3 8 do the following 1 Use the scroll keys to move through the available ports or enter the port number with the number key 2 When the desired port name is displayed press Enter 3
23. e detects an uninterrupted string of 0s being transmitted toward the network and if Os are trans mitted for more than one second then the TSU 100 forces 1s towards the network Choices On or Off Inband Configuration Channel Used to enable disable an 8 kbps remote configuration channel see Figure 3 6 on page 3 10 When this option is set to On the first DS0 mapped to the Nx interface operates in 56K mode and the DTE clock rate is reduced by 8 kbps The TSU uses this 8 kbps channel to send and receive configuration data across a T1 span As shown in Figure 3 6 this allows the PC connected to the chain in port on TSU 600 A to monitor configure both TSU 600 A and B This feature is useful when FDL con nectivity is not available across the T1 span This 8 kbps channel is only taken out of the first DSO If two 64K 0505 are mapped the DTE rate would be 120 kbps instead of 128 kbps 61200174L1 1 Nx DBU Plug on Board User Manual 3 9 Chapter 3 Installation TSU 600 A T WATCH TSU 600 B CHAIN IN NX DBU PBX NX DBU PBX ROUTER PBX ROUTER PBX Figure 3 6 Inband Remote Configuration If the inband configuration channel is enabled the Nx DBU will use the channel to verify end to end connectiv ity of the network This provides more robust moni toring of the primary network This is especially useful
24. e user s author ity to operate the equipment Warranty and Customer Service ADTRAN will replace or repair this product within five 5 years from the date of shipment if it does not meet its published specifications or fails while in service For detailed warranty repair and return information See the ADTRAN Equip ment Warranty and Repair and Return Policy Procedure Return Material Authorization RMA is required prior to returning equipment to ADTRAN For Service RMA requests or more information contact ADTRAN Technical Support listed on the inside back page of this manual LIMITED PRODUCT WARRANTY ADTRAN warrants that for five 5 years from the date of shipment to Cus tomer all products manufactured by ADTRAN will be free from defects in materials and workmanship ADTRAN also warrants that products will con form to the applicable specifications and drawings for such products as con tained in the Product Manual or in ADTRAN s internal specifications and drawings for such products which may or may not be reflected in the Product Manual This warranty only applies if Customer gives ADTRAN written notice of defects during the warranty period Upon such notice ADTRAN will at its option either repair or replace the defective item If ADTRAN is unable in a reasonable time to repair or replace any equipment to a condition as war ranted Customer is entitled to a full refund of the purchase price upon return of the equipment
25. hase shift in the data the clock can be selected as INT INv INTERNAL IN VERTED This switches the phase of the clock which should compensate for a long cable Choices Normal or Invert Used to control the inverting of the DTE data This inver sion can be useful when operating with a high level data link HDLC protocol Often used as a means to ensure 1s density Choices Normal or Invert Table 3 1 shows the conditions which cause the port con trol signal to be deactivated Table 3 1 Normal Mode Operation Signal RTS V 54 Loopback 511 Test On Self Test Active Network Test Active NO DSO Mapped Network Alarm CTS Follows Off Off Off Off Off Off DCD Off Off Off DSR Off Off Off Off Off Do not care Until backup becomes active 3 8 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 3 Installation CTS DCD DSR 0 INHIB INBAND MODE Used to control characteristics of CTS Choices Normal or Force On see Table 3 1 on page 3 8 Data Carrier Detect Indicates to the DTE when a valid signal is being received at the Network Interface Choices Normal or Force On see Table 3 1 on page 3 8 Data Set Ready This signal indicates to the DTE when the DCE is turned on and ready for operation Choices Normal or Force On see Table 3 1 on page 3 8 If the Nx interfac
26. n module 2 Using a downward and right to left motion slip the V 35 connector plug into the opening in the option module back panel 3 Moving the plug on board downward secure the connection of the header pins at the front of the boards 4 Install the two 4 40 screws at both edges of the option module Figure 2 1 Attaching the Plug on Board T The connection of the header pins between the option module and the ARNIN 9 plug on board must be visually verified Improper connections can severely damage the equipment 2 2 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 2 Installation WIRING The Nx DBU plug on board has one V 35 Winchester style connection The Nx and DBU connection is defined in Table 2 1 below and Table 2 2 on page 2 4 Table 2 1 Nx DBU Pin Connection Pin CCITT Description A 101 Protective ground PG B 102 Signal ground SG 105 Request to send RTS from DTE D 106 Clear to send CTS to DTE 107 Data set ready DSR to DTE F 109 Received line signal detector DCD to DTE R 104 Received data RD A T 104 Received data RD B V 115 RX clock RC A to DTE X 115 RX clock RC B to DTE P 103 Transmitted data TD A from DTE S 103 Transmitted data TD B from DTE Y 114 clock TC B to DTE AA 114 clock TC B to DTE U 113 External TX Clock TC A from DTE W 113 External TX clock ETC B from DTE NN Test mode TM
27. peration An pd itt t is tea rete dens 3 2 PORT Status Submenu of Status iii 3 4 se ener terere ep ete Peg rte teres ee e ener NEE 3 4 Nx DBU Status Menu Options sn 3 5 DEIEDATIA CEOQGQNK 5235 1 5 a ete le 3 5 DTE STATUS 3 5 PORT RATE teer eee iron ee e eee 3 5 CNIR 2 dee cra desee eere err one ER 3 5 DBUCONTROL 2th dee et e eds 3 6 DBU STAANUS soient ERE eR e o pe a 3 6 PORT CONFIG Submenu of CONFIG sisi 3 7 Op rations te erii trennt ie entere irren qnie risu Pee PER PATE TOES 3 7 Nx56 64 CONFIG Menu Options nn 3 8 DSORATE det ettet iet tese ee tbe eeu 3 8 TXCERCNERLE 3 3 8 HL TERMS 3 8 CIS m eats tto sns de ct tfi 3 9 19 04 EA nS EE CR 3 9 2 EE ee NII oan 3 9 c o ees dere cad 3 9 INBAND MODE teet tse tse ctae hares 3 9 DBU CONFIG Menu Options 3 10 BACKUP MODE 5 nce e entere pee eor eee ey 3 10 SINGLE END FAILURE issus 3 11 BOTH END FAILURE fere ets 3 11 BACKUP OIN 3 11 cere e ect ads eee Ae ver e Re rh 3 11
28. provides connection to the DBU The shorter 1 ft side with the female connector provides ac cess to the Nx port In the remainder of this manual the board will be called the Nx DBU plug on board 61200174L1 1 Nx DBU Plug on Board User Manual 1 1 Chapter 1 Introduction FUNCTIONAL DESCRIPTION The Nx DBU plug on board operates on an option mod ule of the TSU units and is under the control of the TSU The Nx DBU plug on board is configured from the front panel or by an external PC program The internal menus for their configuration are part of the Nx DBU plug on board and are automatically installed when the Nx DBU is installed in a TSU unit Features Nx Features The general features of the Nx are listed below e Data rates from 56 kbps to 2 048 mbps in 56K or 64K increments e Includes an elastic store for adsorption of rate varia tions e Executes and responds to V 54 looping codes e Outputs a 50 duty cycle output clock at all rates e Provides an inband control channel 8 kbps for net work management communication e Generates and checks 511 test pattern toward net work e 511 pattern generator is capable of injecting errors DBU Features The following are general features of the DBU e Capable of verifying integrity of dial up network with a test pattern without disrupting T1 data e Detect no data transitions on the data received from the network with verify over inband channel e User definable
29. rn toward the T1 network Choices OFF ON This selection is used to force a backup to occur even if a backup condition does not exist Choices TESTS OFF FORCED BACKUP INTERFACE TST TESTS OFF Turns off DBU tests FORCED BACKUP Used to force a backup regardless of time of day lock outs or network conditions INTERFACE TST This test causes the external DCE to dial its stored num ber After the connection is established the DBU will send a test pattern to verify the backup network This test does not disrupt data or the primary network Allows status of DCD and RI to be monitored while the INTERFACE TST is on If the dial up network is correctly configured and dialed up there should be an asterisk over DCD 3 18 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 3 Installation DBU TST RESULT When an interface test is active the screen shown in Fig ure 3 10 will show the total number of DATA blocks re ceived and the number of blocks with errors Figure 3 10 DBU TST Result Submenu 61200174L1 1 Nx DBU Plug on Board User Manual 3 19 Chapter 3 Installation 3 20 Nx DBU Plug on Board User Manual 61200174L1 1 Appendix A System Messages ALARM MESSAGES Network Interfaces Red Alarm NI unable to align frame with incoming signal Yellow Alarm Remote alarm indication RAI being received from the far end Blue Alarm Unframed all 1s AIS being received at NI Los
30. s of Signal No signal detected at NI Nx DBU Plug on Board Clock Slip Difference in frequency of the data clock at the network and DTE PLL Alarm Unable to lock phase lock on the clock provided by the network interface 61200174L1 1 Nx DBU Plug on Board User Manual A 1 Appendix A System Messages Zeros Alarm All 0 data being sent to the network interface No EXT Clock No external transmit clock at DTE when applicable STATUS MESSAGES Network Interfaces Payload On Payload loopback activated Line On Line loopback activated Loopback Off All loopbacks deactivated Factory Restore Factory setting restored Power On Unit powered on Self Test Internal self test performed A 2 Nx DBU Plug on Board User Manual 61200174L1 1 Appendix A System Messages Nx DBU Plug on Board Loop Up Data is looped back at both the network interface and the DTE interface of the card Remote Loop Up Sending a V 54 pattern in an attempt to loop up a remote device 511 Pattern On Sending a 511 pattern towards the network interface Loop Down Data is no longer looped back at the network interface or the DTE interface 511 Pattern Off No longer sending a 511 pattern towards the network interface 61200174L1 1 Nx DBU Plug on Board User Manual A 3 Appendix A System Messages A 4 Nx DBU Plug on Board User Manual 61200174L1 1 Index Numerics 0 INHIB 3 9 11 Nx DBU Menu Options 3 16 1s Densi
31. tallation PORT CONFIG SUBMENU OF CONFIG Operation The PORT CONFIG submenu is used for configuration of the Nx DBU plug on board To display Figure 3 5 on the TSU 100 place the cursor on CONFIG and do the following 1 Press Enter or the number 2 key This displays the first two Configuration submenu items with the cur sor on NETWORK NI 2 Use the Scroll Down key to place the cursor on PORT CONFIG and press Enter 3 the scroll keys to identify the 1 1 Nx DBU plug on board Only the bottom line of the display changes Figure 3 5 Port Configuration Submenu To select PORT CONFIGURATION press Enter This displays the following menu options e Nx56 64 CONFIG DBU CONFIG Place the cursor over the desired option and press Enter to configure Menu options for the Nx56 64 and the DBU are shown on the following pages 61200174L1 1 Nx DBU Plug on Board User Manual 3 7 Chapter 3 Installation Nx56 64 CONFIG Menu Options DSO RATE TX CLK CNTRL DATA Select the NX56 64 menu option to access the following eight menu options This sets the base rate of the interface The actual data rate depends on the number of DS0s assigned to the DTE Data Rate Chart in the appropriate TSU User Manual Choices 56K or 64K Controls the clock used by the TSU 100 to accept the trans mit TX data from the DTE Normally this is set to INTER NAL If the interface cable is long causing a p
32. te loopback V 54 511 with errored seconds display and error inject capability Menu selectable Force 1s to network after one second of consecutive zeros from DTE User selectable On Off Normal or Force On Winchester V 35 female 1 4 Nx DBU Plug on Board User Manual 61200174L1 1 Chapter 1 Introduction Specifications Nx DBU DTE Interface DTE Interface Backup Delay DBU Dialing Restore Delay Rates Clocking Connector Test Specifications Nx56 64 and DBU Mechanical Environmental Tests V 35 synchronous 1 sec 3 sec 10 sec 30 sec 1 min 5 min 10 min DTR dialing 1 sec 3 sec 10 sec 30 sec 1 min 5 min 10 min Never 56 kbps through 2 048 mbps in 56K or 64K increments Routes external DCE clocks to external DTE when active Winchester V 35 female Loopback to DCE Test dialup network Force dial backup Mechanically compatible with option slot of all TSUs Operating temperature from 0 C to 45 C Extensive self test 61200174L1 1 Nx DBU Plug on Board User Manual 1 5 Chapter 1 Introduction PHYSICAL DESCRIPTION The Nx DBU plug on board plugs onto any option mod ule used by the TSU family of products see Figure 1 1 The PORT X 2 3 indication is linked to the port number ing philosophy of the TSU product family The X repre sents the slot number into which the plug on board is plugged The 2 3 indicates which port the plug on board oc
33. ty Protection 1 4 511 PATT 3 17 511 Pattern Off A 3 511 Pattern On A 3 511 RESULTS 3 18 A attaching the plug on board how to 2 2 B BACKUP DELAY 3 12 BACKUP MOD 3 10 backup on 3 11 BACKUP TEST 3 13 BACKUP TESTING 3 12 Blue Alarm A 1 both end failure 3 11 cables provided customer 2 1 Clock Options 1 4 Clock Slip A 1 Connector 1 4 CTS 3 9 Customer Service iv D DATA 3 8 Data Inversion 1 4 DBU CONFIG Menu Options 3 10 DBU CONTROL 3 6 DBU DATA CNTRL 3 5 3 18 DBU Features 1 2 61200174L1 1 DBU LOOPBACK 3 18 DBU STATUS 3 6 DBU TEST 3 18 DBU TST RESULT 3 19 DBU V 35 pinout 2 4 DCD 3 9 DCE Interface 1 4 DISABLE HR 0 23 3 13 DSO RATE 3 8 DSR 3 9 DTE DATA CLOCK 3 5 DTE PORT RATE 3 5 DTE STATUS 3 5 E ENABLE HR 0 23 3 13 Environmental specifications 1 5 F factory restore operation 3 14 FACTORY RESTORE Submenu of UTIL 3 14 FCC Radio Frequency Interference Statement iv Features DBU 1 2 Features Nx 1 2 Features of both Nx amp DBU 1 3 Features of Nx DBU plug on board 1 2 INBAND MODE 3 9 indicator buttons front panel 3 1 installation overview 3 1 Interfaces amp connectors 1 3 items included in shipments 2 1 Nx DBU Plug On Board User Manual Index 1 Index L Loop Down A 3 Loop Up A 3 Loss of Signal A 1 Mechanical specifications 1 5 N NET FAIL 3 11 NET DATA FAIL 3 11 No EXT Clock A 2 NUM RETRIES 3 12 Nx Features 1 2 Nx DBU DTE interface
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